HI there
There are several possible issues that can cause this code to appear. If you still have the code the issue could be the wiring or the computer itself.
P0138 JEEP - O2 Sensor 1/2 Circuit High Read more: https://www.autocodes.com/p0138_jeep.html
36.2k questions
32.2k answers
1.3k comments
22.8k users